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DTC P2103 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT HIGH

DTC P2103 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT HIGH

DTC DETECTING CONDITION:


• Immediately at fault recognition

• GENERAL DESCRIPTION


Important

After repair or replacement of faulty parts, conduct Clear Memory Mode and Inspection Mode .


WIRING DIAGRAM:


CHECK ELECTRONIC THROTTLE CONTROL RELAY.

Turn the ignition switch to OFF.

Remove the electronic throttle control relay.

Measure the resistance between electronic throttle control relay terminals.

Terminals

No. 2 — No. 4:

Is the resistance more than 1 MΩ?

Yes


No

Replace the electronic throttle control relay.


CHECK SHORT OF ELECTRONIC THROTTLE CONTROL RELAY POWER SUPPLY CIRCUIT.

Turn the ignition switch to ON.

Measure the voltage between electronic throttle control relay connector and chassis ground.

Connector & terminal

(B309) No. 4 (+) — Chassis ground (−):

Is the voltage more than 5 V?

Yes


No

Repair the short of power supply to harness between ECM and electronic throttle control relay.


CHECK HARNESS BETWEEN ECM AND ELECTRONIC THROTTLE CONTROL RELAY.

Turn the ignition switch to OFF.

Disconnect the connectors from ECM.

Measure the resistance between ECM connector and engine ground.

Connector & terminal

(B135) No. 35 — Engine ground:

Is the resistance more than 1 MΩ?

Yes

Repair the poor contact in ECM connector. If problem persists, replace the ECM.


No

Repair the ground short of harness between ECM and electronic throttle control relay.